- Snacks made with rice and corn - Light, crunchy and wonderfully tasty, Snack A Jacks Sour Cream and Chive Rice Cakes are delicious snacks made with your convenience in mind - Perfect for slipping into your bag for on-the-go snacking or packing into your lunchbox for a lunchtime treat - A delicious snacking alternative. Each bag contains 91 calories. - Suitable for vegetarians. 91 calories 387kJ per pack. Made with rice and corn. Suitable for vegetarians. Snack a Jacks.